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| water-sealed | |||
| 水封的: 23 phrases in 10 subjects |
| Drilling | 9 |
| Earth sciences | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Footwear | 1 |
| General | 2 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Technology | 5 |
| Telecommunications | 1 |
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